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verbs return 1 if true, 0 if false
data type verbs check the data, not the internal representation.
For example, 1j1-0j1 is considered boolean, though stored as complex.
Examples:
5 10 inrange i.12
'()' isbalanced '(123(45))'
| Name |
Type |
Description |
| inrange |
verb |
(low, high) inrange data |
| isbalanced |
verb |
pair isbalanced string |
| isboolean |
verb |
data is all 0 or 1 |
| isboxed |
verb |
is boxed |
| ischaracter |
verb |
data is character |
| iscomplex |
verb |
data is complex |
| iscounter |
verb |
data is non-negative integer (counting number) |
| isdate |
verb |
is date (as yyyy mm dd) |
| isinteger |
verb |
data is all integer |
| ismatrix |
verb |
data is a matrix |
| isnumeric |
verb |
data is numeric |
| isrational |
verb |
data is rational |
| isreal |
verb |
data is all real |
| isscalar |
verb |
data is a scalar |
| isunicode |
verb |
data is unicode |
| isunique |
verb |
data has no duplicates |
| isvector |
verb |
data is a vector |
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